WO2014139621A1 - Fixation et positionnement d'un bloc rotor sur un arbre de rotor - Google Patents

Fixation et positionnement d'un bloc rotor sur un arbre de rotor Download PDF

Info

Publication number
WO2014139621A1
WO2014139621A1 PCT/EP2014/000367 EP2014000367W WO2014139621A1 WO 2014139621 A1 WO2014139621 A1 WO 2014139621A1 EP 2014000367 W EP2014000367 W EP 2014000367W WO 2014139621 A1 WO2014139621 A1 WO 2014139621A1
Authority
WO
WIPO (PCT)
Prior art keywords
rotor
circular
pump unit
wedge
unit according
Prior art date
Application number
PCT/EP2014/000367
Other languages
German (de)
English (en)
Inventor
Günter Strelow
Andreas Eichmann
Original Assignee
Wilo Se
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wilo Se filed Critical Wilo Se
Priority to CN201480021385.8A priority Critical patent/CN105191070B/zh
Priority to EP14713033.0A priority patent/EP2973948B1/fr
Publication of WO2014139621A1 publication Critical patent/WO2014139621A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
    • F16D1/08—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key
    • F16D1/0817—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial clamping due to rotation along an eccentric surface, e.g. arcuate wedging elements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans

Definitions

  • the invention relates to a pump unit with a pump unit and an electric motor driving this comprising a rotor with a rotor shaft and a rotor packet mounted thereon.
  • Pumping units are usually driven by an electric motor.
  • This includes a stator and a rotor, wherein the stator a
  • the end of the rotor shaft usually carries a pump impeller arranged in the pump unit or the end is connected via a coupling with another shaft which carries such an impeller.
  • the rotor package is either in the
  • the attachment of the rotor assembly of the electric motor on its rotor shaft is usually done by an axially fitted interference fit.
  • the rotor package is thereby pushed onto the rotor shaft whereby the outer diameter of the shaft and the
  • Inner diameter of a central bore of the rotor stack are matched to one another such that between the rotor core and the shaft a corresponding
  • connection technique is to screw the rotor onto the shaft or to use it by additional fixing means, for example spring washers or split pins for axially fixing the rotor core.
  • additional fixing means for example spring washers or split pins for axially fixing the rotor core.
  • a positive connection between these components is provided for a rotating entrainment of the rotor shaft by the rotor core.
  • such a positive connection is expensive to produce and the additional fixing lead to additional costs, avoidable joining costs and are generally undesirable as wearing parts.
  • the object of the invention is to provide an alternative connection between the rotor shaft and rotor core, the safe and accurate positioning and
  • a pump unit with a pump unit and an electric motor driving the same comprising a rotor with a rotor shaft and a rotor packet fastened thereon, wherein the attachment of the rotor stack to the rotor shaft comprises a circular wedge connection
  • At least one circular wedge and a complementary circular wedge is formed.
  • the circular spline connection ensures effective torque transmission and over the Operating time constant press connection, as it is self-locking when twisting in the clamping direction.
  • the circular spline allows easy installation of the rotor assembly and ensures for maintenance purposes with appropriate design also easy solvability for the purpose of disassembly of the
  • connection partners touch a large area, which is not the case with a press fit due to the resulting deformation to non-circular connections. Furthermore, by means of a
  • Circular spline connection achieved a uniform surface pressure along the circumference of the compound, which can also be adjusted selectively depending on the torque.
  • Rotor package forms the rotor shaft, a cylindrical inner part whose cross section is circular at least in the region of the circular spline connection, and on the
  • Peripheral surface at least one circular wedge are arranged.
  • the outer circumference of the rotor shaft forms a base circle on which the wedge profile rises.
  • the rotor assembly forms an outer part as a connection partner with a cylindrical bore, on the inside of which at least one
  • Complementary circular part is located. Viewed in cross-section, the inner circumference of the rotor core forms a base circle, on which the complementary wedge profile rises.
  • Each circular wedge consists of a steadily rising profile over the unwound base circle, which rises to a certain profile height and then drops in a flank, which is referred to as wedge back.
  • Rotor shaft and the rotor pack are joined with play, whereby by twisting the two parts against each other, the game is eliminated.
  • the rotor shaft is braced against the rotor core, the wedge profiles of the circular wedges are pressed against each other.
  • the Keilnik für is formed by that
  • Inner peripheral surface of the rotor core a counter surface, which is in the opposite circumferential direction B to form the at least one complementary circular wedge at least axially in sections complementary wedge-shaped. It is therefore also not necessary here that the rotor pack carries along its entire axial length of the spline, although this is also possible and useful here to achieve a maximum tightness.
  • the rotor shaft can then be braced relative to this by the rotor shaft is rotated in the opposite circumferential direction B with a fixed rotor package.
  • the tension is caused by a relative rotation of the rotor core in the first circumferential direction A when the rotor shaft is stationary. It is also possible that for the purpose of fixing the rotor core in the first circumferential direction A and the rotor shaft are rotated in the opposite circumferential direction B.
  • Circular spline connection is present when the rotor package relative to the rotor shaft in the first circumferential direction A and the rotor shaft relative to the rotor core in the
  • Connection partner is, it is advantageous if the drive direction of the
  • Electric motor of the first circumferential direction A corresponds. Due to the
  • the circular wedge one, two or more circular wedges on the rotor shaft and a corresponding number of complementary circular wedges on
  • the circular wedge connection is formed by three circular wedges the outer peripheral surface of the rotor shaft and three complementary circular wedges formed on the inner peripheral surface of the rotor core.
  • Circular wedge connection is self-centering.
  • the slope of the circular wedges of the circular spline connection is between 1:20 to 1: 200.
  • the lower region of said slope ratio range i. between 1: 20 to about 1: 100 is the
  • the contour of the circular wedges is designed as a logarithmic spiral. This has the advantage that the rotor core and the rotor shaft do not touch each other linearly but flatly.
  • the pump unit is provided with an electric motor comprising a wet-running rotor.
  • a wet-running rotor i. in particular the rotor core
  • Such a pump unit is also known as a wet-running pump.
  • Circular wedge connection between the wedge ridges of two circular wedges form openings which can be traversed by the liquid medium in the wet-running electric motor.
  • the openings are axially parallel to the rotor shaft. This ensures optimum circulation of the liquid in the rotor space, in particular in the area in front of the rotor pack to the area behind the rotor pack and vice versa, whereby on the one hand the fixing of particles is prevented and on the other hand
  • the rotor is preferably designed to run wet, wherein between at least one circular wedge and a circumferentially adjacent complementary circular wedge in the clamped state of the circular wedge connection in
  • Circumferential direction in particular in the first circumferential direction A, an opening is formed through which the liquid surrounding the rotor can flow during operation of the pump unit.
  • the circular wedges i. a circular wedge of the rotor shaft and a complementary circular wedge of the rotor core, have at its profile end a flank, in particular a steep flank, which results in the clamped state of the circular spline connection a said opening between two adjacent flanks. If several circular wedges are present on the rotor shaft, such openings are correspondingly between each circular wedge of the rotor shaft and the corresponding circumferentially adjacent, complementary circular wedge of the rotor core in the braced state
  • the said liquid may, for example, that funded by the pump
  • Liquid is different.
  • a blocking means can prevent a loosening of the circular wedge connection.
  • a release could, for example, occur in a case when the electric motor of
  • the locking means may be solid or hollow, with a hollow design is advantageous because this is the flow through the corresponding openings into which the locking means is used, not significantly impaired.
  • the use of a solid barrier means can be used with circular wedge joints with more than one circular wedge so that one of the then existing openings can remain free, whereas the other opening or one of the other openings then receives the blocking means.
  • a filter element rests in the opening or at least one of the openings.
  • Such a filter element is capable of floating out of the fluid located in the rotor chamber solid particles
  • the filter element may, for example, be spongy, in particular be formed of a porous, for example elastomeric plastic, or have a reticulated structure of a thermoplastic or thermosetting plastic, or alternatively be formed as a wire mesh.
  • the filter element may extend along the entire axial length of an opening or fill only a portion of this axial length. It is also possible that two or more such filter elements eino one behind the other in an opening.
  • one of the filter elements can simultaneously serve as a blocking means.
  • This can for example be achieved by a wire mesh as a filter element, or by a filter element having a tubular support structure (tube) which is inserted into an opening and in its interior one or more
  • the circular wedge connection can have a circumferential contact surface with a
  • Contact area here is the sum of all angle sections 0: 2 of the circular wedge connection understood in which the circular wedge or circular wedges of the rotor shaft with
  • Torque that can be transmitted from the rotor core to the rotor shaft is transmitted from the rotor core to the rotor shaft.
  • the circumferential contact surface 002 with the openings or flow openings between the wedge back defining angle sections cn form a full circle, the circumferential contact surface should not be too large, otherwise the width of the flow openings is too small.
  • the flow openings are still sufficient
  • the rotor core may have a radially inner layer of a plastic, in which the complementary circular wedge is formed or the complementary circular wedges are formed.
  • the entire rotor core can be made of plastic with embedded permanent magnets or rods with short circuit rings.
  • the rotor core by at least one annular or
  • annular portion-shaped, in particular sintered permanent magnet wherein the circular wedge or circular wedges in the direction of the rotor shaft facing inner surface of the permanent magnet, or the permanent magnet is or are formed.
  • the radially inner contour of the / the permanent magnet carries the circular spline, so that no further connection partner between the rotor core and the rotor shaft is required.
  • the rotor shaft is made of a ceramic material. Since ceramic materials are particularly brittle and can not be welded, offers the inventive
  • the circular wedge or the circular wedges can be formed directly in the surface of the rotor shaft.
  • the rotor shaft may consist of the actual shaft and a clamping sleeve resting thereon, the circular wedge or circular wedges (5) being or being formed in the radially outer surface of this clamping sleeve.
  • This variant is particularly suitable for rotor shafts whose shafts consist of a material which does not allow the formation of splines or their processing to create a spline is too expensive, for example, due to the particular hardness of the material.
  • Fig. 1 Rotor of a first embodiment of the centrifugal pump assembly in perspective view.
  • Fig. 2 rotor of the first embodiment of the centrifugal pump assembly in a radial cross section.
  • Fig. 3 rotor of a second embodiment of the centrifugal pump assembly in perspective view.
  • Fig. 4 rotor of the second embodiment of the centrifugal pump assembly in a radial cross section.
  • Figure 1 shows a rotor 1 of a first embodiment of a
  • Pump unit in particular a centrifugal pump unit, with a pump unit, not shown, and this driving, wet-running
  • the rotor 1 is part of the electric motor, not shown, and comprises a rotor shaft 2 and a rotor package 4.
  • the rotor 1 is shown in the disassembled state, wherein the rotor package 4 for fixing and positioning on the Rotor shaft 2 is first pushed onto the rotor shaft 2 in an axial joining step and is then rotated relative to the rotor shaft.
  • the attachment of the rotor core 3 on the rotor shaft 2, 3 is effected by a circular wedge connection 5, 6, which is formed by three circular wedges 5 on the one hand and three complementary circular wedge 6 on the other.
  • a circular wedge connection 5, 6 which is formed by three circular wedges 5 on the one hand and three complementary circular wedge 6 on the other.
  • the at least one circular wedge 5 along an axial section wedge-shaped.
  • the corresponding inner circumferential surface of the rotor core 3 forms a mating surface which is complementary in the opposite circumferential direction B to form the at least one complementary circular wedge 6 wedge-shaped.
  • the circular wedge profile extends from the rotor core 4 along its axial
  • Each circular wedge 5, 6 is formed by a circular spline, extending from a
  • unwound base circle rises up to a certain profile height
  • FIG. 2 shows a radial cross section through the rotor stack 4 mounted on the rotor shaft 2.
  • the first circumferential direction A and the second circumferential direction B are shown there.
  • Rotor shaft and the rotor pack are joined with play, whereby by twisting the two parts against each other, the game is eliminated.
  • the rotor shaft is braced against the rotor core, the wedge profiles of the circular wedges are pressed against each other.
  • the rotor core 4 can be clamped relative to the rotor shaft 2 in that the rotor shaft 2 in the stationary rotor package 4 in the opposite
  • Circumferential direction B is rotated.
  • the tension is fixed by a relative rotation of the rotor core 4
  • Rotor shaft 2 in the first circumferential direction A causes.
  • the liquid surrounding the rotor 1 can flow during operation of the centrifugal pump assembly. This ensures optimum heat transfer or a homogeneous heat distribution within the rotor space via the liquid, and also ensures that existing before and / or behind the rotor core
  • Embodiment variants between 10 ° and 60 °.
  • the circumferential angles cci of the circular wedge profiles are in each case approximately 100 °. This results in the circular wedge connection 5, 6 a
  • circumferential contact surface with a total circumferential angle of about 300 °.
  • Figure 3 shows a rotor 1 of a second embodiment of a
  • the rotor 1 differs from the first embodiment only in that the rotor shaft 2 carries a clamping sleeve 3, wherein the circular wedge contour is not directly in the rotor shaft 2 itself
  • Rotor shaft 2, 3 is thus formed in this embodiment of the actual shaft 2 and said clamping sleeve 3.
  • the rotor 1 is also shown in the disassembled state, for fixing and positioning of the rotor core 4 on the rotor shaft 2, first the clamping sleeve 3 is pushed onto the shaft 2 in an axial joining step, then the rotor core 4 to the rotor shaft 2 together with clamping sleeve 3 is pushed and then rotated relative to the rotor shaft 2, 3.
  • the clamping sleeve 3 is a circular cylindrical element which is cut open in the axial direction.
  • the section line is marked in Figure 3 and 4 with reference numeral 9.
  • the clamping sleeve 3 is characterized elastically. Its inner diameter is smaller than the outer diameter of the shaft 2, so it must be easily widened to fit it axially on the shaft.
  • FIGS. 3 and 4 correspond to those in FIGS. 1 and 2.
  • the openings 7 in the variant in FIG. 4 each extend over a circumferential angle 012 of approximately 35 °. This results in the circular wedge connection 5, 6 a circumferential contact surface with a
  • a circular wedge profile includes a
  • Circumferential angle ⁇ of about 85 °.
  • the openings 7 are all free in each case, so that the medium in the rotor space, in particular the
  • Flow medium can flow through these openings.
  • Incorporate blocking means so that the circular wedge connection can not solve itself.
  • a filter element to filter the liquid in the rotor chamber.
  • this can also serve as a blocking agent immediately.
  • a blocking means a small hollow tube can be used which can be inserted axially into one of the openings 7 and which has a filter element in its interior.
  • a filter element a filter element
  • compressed wire mesh can be used, which can serve as a blocking agent.
  • the rotor core 4 has a permanent magnet 4a, which is encapsulated by means of a sleeve 4b. Furthermore, it has a radially inner layer 4c of a plastic, in which the complementary circular wedges 6 are formed.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Rotary Pumps (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

L'invention concerne un groupe motopompe équipé d'une unité de pompage et d'un moteur électrique entraînant ladite unité de pompage. Le groupe motopompe comprend un rotor (1) pourvu d'un arbre de rotor (2, 3) et d'un bloc rotor (3) fixé sur l'arbre. Le bloc rotor (3) est fixé sur l'arbre de rotor (2, 3) par une connexion conique (5, 6) comprenant au moins une clavette circulaire (5) du côté de l'arbre de rotor (2, 3) et une clavette circulaire complémentaire (6) du côté du bloc rotor (3).
PCT/EP2014/000367 2013-03-14 2014-02-11 Fixation et positionnement d'un bloc rotor sur un arbre de rotor WO2014139621A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201480021385.8A CN105191070B (zh) 2013-03-14 2014-02-11 转子体在转子轴上的固定和定位
EP14713033.0A EP2973948B1 (fr) 2013-03-14 2014-02-11 Fixation et positionnement d'un bloc rotor sur un arbre de rotor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013004338.7A DE102013004338A1 (de) 2013-03-14 2013-03-14 Fixierung und Positionierung eines Rotorpaketes auf einer Rotorwelle
DE102013004338.7 2013-03-14

Publications (1)

Publication Number Publication Date
WO2014139621A1 true WO2014139621A1 (fr) 2014-09-18

Family

ID=50389385

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2014/000367 WO2014139621A1 (fr) 2013-03-14 2014-02-11 Fixation et positionnement d'un bloc rotor sur un arbre de rotor

Country Status (4)

Country Link
EP (1) EP2973948B1 (fr)
CN (1) CN105191070B (fr)
DE (1) DE102013004338A1 (fr)
WO (1) WO2014139621A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI568926B (zh) * 2016-04-01 2017-02-01 峰安車業股份有限公司 渦輪轉子及渦輪轉子的製造方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015122525A1 (de) * 2015-12-22 2017-07-06 Masterwork Machinery Co., Ltd. Kunststoffbuchse für eine Prägevorrichtung in einer Faltschachtel-Klebemaschine
DE102016214719A1 (de) * 2016-08-09 2018-02-15 Bayerische Motoren Werke Aktiengesellschaft Bauteilverbindung

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB293122A (en) * 1927-03-31 1928-07-02 George Constantinesco Means for securing bodies on rotating shafts
EP0997206A1 (fr) * 1998-10-22 2000-05-03 Electrolux AG Procédé de fabrication d'un moyeu ou d'une tige
DE10051239A1 (de) * 2000-10-17 2002-04-25 Buhler Motor Gmbh Nasslaufender Permanentmagnet-Rotor

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0529047B1 (fr) * 1991-03-22 1995-09-13 Hans Kühl Liaison arbre-moyeu
WO1994007040A1 (fr) * 1992-09-18 1994-03-31 Kuehl Hans Dispositif pour relier au moins deux elements
DE10248355A1 (de) * 2002-10-17 2004-04-29 Ina-Schaeffler Kg Nockenwellenversteller mit elektrischem Antrieb
DE10352487A1 (de) * 2003-07-22 2005-02-10 BSH Bosch und Siemens Hausgeräte GmbH Pumpe mit integriertem Motor
DE102009035831A1 (de) * 2009-03-05 2010-09-09 Winker Massivumformung Gmbh & Co. Kg Baueinheit
CN201733149U (zh) * 2010-07-16 2011-02-02 浙江特种电机有限公司 一种交流伺服电机转子

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB293122A (en) * 1927-03-31 1928-07-02 George Constantinesco Means for securing bodies on rotating shafts
EP0997206A1 (fr) * 1998-10-22 2000-05-03 Electrolux AG Procédé de fabrication d'un moyeu ou d'une tige
DE10051239A1 (de) * 2000-10-17 2002-04-25 Buhler Motor Gmbh Nasslaufender Permanentmagnet-Rotor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI568926B (zh) * 2016-04-01 2017-02-01 峰安車業股份有限公司 渦輪轉子及渦輪轉子的製造方法

Also Published As

Publication number Publication date
CN105191070B (zh) 2018-12-28
EP2973948A1 (fr) 2016-01-20
DE102013004338A1 (de) 2014-09-18
CN105191070A (zh) 2015-12-23
EP2973948B1 (fr) 2021-04-28

Similar Documents

Publication Publication Date Title
EP2971815B1 (fr) Fixation de palier lisse dans un ensemble pompe centrifuge
DE102005007297B4 (de) Fluiddynamisches Luftlagersystem zur Drehlagerung eines Motors
EP3793630A1 (fr) Système de support de rotor
WO2014166810A2 (fr) Rotor pour moteur à réluctance, procédé de fabrication d'un rotor pour moteur à réluctance, et machine électrique, en particulier moteur à réluctance
EP2973948B1 (fr) Fixation et positionnement d'un bloc rotor sur un arbre de rotor
DE102009029069A1 (de) Zweistufige Kreiselpumpe
WO2021185490A1 (fr) Rotor d'un moteur électrique
DE102008047017A1 (de) Kreiskeil-Verbindung
EP2896837B1 (fr) Procédé de fabrication d'un rotor pour une pompe à vide et rotor pour une pompe à vide
DE102012205687A1 (de) Mehrteiliger Stator für eine elektrische Maschine, elektrische Maschine
EP3088745B1 (fr) Système de rotor pour une pompe à vide et pompe à vide
EP2999094B1 (fr) Arbre en saillie pour un moteur électrique, moteur électrique doté d'un arbre en saillie, utilisation d'un arbre en saillie en tant qu'arbre de commande d'un encodeur et procédé de liaison d'un arbre en saillie à un arbre de commande d'un moteur électrique
DE212018000250U1 (de) Rotor für eine Elektromaschine
EP1574732A1 (fr) Dispositif de serrage pour serrer de façon détachable un moyeau cylindrique sur un arbre cylindrique
WO2013023829A2 (fr) Machine électrique et procédé de montage d'une machine électrique
DE102010024962B4 (de) Antriebsmotor für Flüssigkeitspumpe
EP2150716A1 (fr) Embrayage
DE102004004456B4 (de) Getriebe, Getriebebaukasten und Antriebskomponente
EP3735536A1 (fr) Dispositif de blocage d'un ventilateur
LU102802B1 (de) Nassläuferpumpe
EP2778424B1 (fr) Groupe motopompe
EP1857680B1 (fr) Rotor de pompe
WO2021104707A1 (fr) Ensemble entraîné par moteur électrique pour un véhicule
DE102019110444A1 (de) Lageranordnung
EP2424083A2 (fr) Moteur électrique et son procédé de fabrication

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 201480021385.8

Country of ref document: CN

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 14713033

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 2014713033

Country of ref document: EP